:root{color-scheme:dark;--bg:#080f17;--panel:#0d1722;--line:#23313e;--text:#edf3f7;--muted:#8fa2b2;--teal:#5ce2bc;--blue:#489cdd;--coral:#ff806e;--violet:#bc9bff;--gold:#caa758;font-family:Inter,Segoe UI,Arial,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,select,input{font:inherit}button,select{border:1px solid var(--line);border-radius:6px;background:#15222e;color:var(--text);cursor:pointer}button{padding:10px 14px;font-size:.875rem}button:hover,select:hover{border-color:#627b8b}button:disabled{opacity:.4;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible,[role=button]:focus-visible{outline:2px solid var(--teal);outline-offset:4px}.quiet{background:transparent;border-color:transparent;color:#b0bfcb}.small{font-size:.8rem}.primary{background:var(--teal);color:#073729;border-color:var(--teal);font-weight:650}.topbar{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 3.5%;gap:24px}.brand{color:var(--text);text-decoration:none;display:flex;align-items:center;gap:12px;font-size:.9rem;letter-spacing:.07em}.brand b{font-weight:400;color:var(--muted)}.brand-icon{font-size:30px;color:var(--teal)}.top-label{font-size:.75rem;letter-spacing:.15em;color:var(--muted);margin-left:auto}.topbar button{margin-left:30px}.topbar button span{margin-left:12px}main{max-width:1640px;padding:35px 3.5% 0;margin:auto}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;gap:20px}.eyebrow{font-size:.75rem;letter-spacing:.18em;color:var(--teal);font-weight:650}h1{font-size:clamp(1.5rem,2.3vw,2rem);letter-spacing:-.035em;font-weight:550;margin:10px 0}p{color:var(--muted);line-height:1.55}.intro p{margin:0;font-size:.9375rem}.simulation-tag{font-size:.8rem;color:#b3c5d3;border:1px solid var(--line);padding:9px 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label{font-size:.8rem;color:var(--muted);display:flex;align-items:center;gap:12px}select{font-size:.85rem;padding:7px 9px}.diagram-wrap{position:relative;flex:1;display:flex;align-items:center;min-height:380px}#network-svg{width:100%;height:auto;max-height:550px;user-select:none;touch-action:none}.diagram-hint{position:absolute;bottom:8px;left:20px;font-size:.65rem;letter-spacing:.1em;color:#718a9d;pointer-events:none}.diagram-hint span{padding:0 8px}.legend{padding:16px 20px;display:flex;flex-wrap:wrap;gap:13px;font-size:.75rem;color:#a5b6c3}.legend>span{display:flex;align-items:center;gap:6px}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:4px}.teal{background:var(--teal)}.coral{background:var(--coral)}.violet{background:var(--violet)}.line{width:16px;height:2px;display:inline-block}.blue{background:var(--blue)}.gold{background:var(--gold)}.transport{border-top:1px solid var(--line);padding:15px 20px;display:flex;align-items:center;gap:16px}.transport-actions{display:flex;gap:7px;align-items:center}.speed-label{margin-left:auto;font-size:.8rem;color:var(--muted);display:flex;align-items:center;gap:8px}#clock{font-family:Consolas,monospace;font-size:.85rem;color:var(--muted);min-width:48px}.badge{background:#182633;color:#a5bbca;border:1px solid #2a3a48;border-radius:4px;padding:4px 7px;font-size:.7rem;white-space:nowrap}.attacks .panel-top{padding-left:18px;padding-right:18px}.panel-description{font-size:.85rem;margin:16px 18px}.attack-card{border:1px solid var(--line);border-radius:7px;margin:10px 14px;transition:border-color .2s,background .2s}.attack-toggle{display:flex;align-items:center;gap:10px;width:100%;padding:13px 12px;text-align:left;border:0;background:transparent}.attack-symbol{width:27px;font-size:27px;text-align:center}.coral-text{color:var(--coral)}.amber-text{color:var(--gold)}.violet-text{color:var(--violet)}.attack-toggle strong{display:block;font-size:.88rem;font-weight:550}.attack-toggle small{display:block;font-size:.73rem;color:var(--muted);margin-top:4px}.switch{width:28px;height:16px;flex-shrink:0;border-radius:12px;background:#35424e;margin-left:auto;position:relative}.switch:before{content:'';position:absolute;width:10px;height:10px;left:3px;top:3px;background:#aebbc5;border-radius:50%;transition:transform .2s}.attack-card.active{border-color:#786556;background:#211e21}.attack-card.active .switch{background:var(--coral)}.attack-card.active .switch:before{transform:translateX(12px);background:#101b21}.attack-card[data-attack=data].active,.attack-card[data-attack=twin].active{border-color:#75638f;background:#1b1b2e}.attack-card[data-attack=data].active .switch,.attack-card[data-attack=twin].active .switch{background:var(--violet)}.attack-settings{display:none;padding:0 13px 14px}.active .attack-settings{display:block}.attack-settings label{font-size:.75rem;color:#b7c6d1;display:flex;justify-content:space-between;gap:8px}.attack-settings output{color:var(--text);white-space:nowrap}.attack-settings input{width:100%;height:22px;margin:10px 0 0;accent-color:var(--coral);cursor:pointer}.attack-card[data-attack=data] input{accent-color:var(--violet)}.range-ends{display:flex;justify-content:space-between;color:var(--muted);font-size:.7rem}.target-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.small-note{font-size:.75rem;margin:8px 0 0;color:#b7c6d1}.remove-all{width:calc(100% - 28px);margin:4px 14px 10px;background:transparent;font-size:.8rem}.attack-status{font-size:.75rem;color:var(--muted);padding:0 18px 16px;line-height:1.5}.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:9px;margin:20px 0;background:#0b151f}.metrics>div{padding:20px 25px;border-right:1px solid var(--line)}.metrics>div:last-child{border:0}.metrics 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20px;display:flex;align-items:center;gap:12px;font-size:.75rem}.pipeline span{border:1px solid #2b3d4c;padding:7px 9px;border-radius:4px;flex:1;text-align:center;color:#b5c6d1}.pipeline b{color:#608399;font-weight:400}.twin-footer{display:flex;justify-content:space-between;padding:0 20px 16px;gap:16px;color:var(--muted);font-size:.7rem}.twin-footer b{font-weight:400;margin-left:10px;color:#bdcfda}.node-heading{padding:20px 20px 0;display:flex;align-items:center;gap:16px}.node-heading strong{font-size:1.6rem;font-weight:500}.node-heading span{font-size:.8rem;color:var(--teal)}.inspector p{font-size:.85rem;margin:12px 20px 20px}.queue-heading{display:flex;justify-content:space-between;padding:0 20px;font-size:.8rem;color:var(--muted)}.queue-heading b{font-weight:400;color:var(--text)}.queue-track{margin:10px 20px;background:#20303c;height:6px;border-radius:4px;overflow:hidden}.queue-track>div{height:100%;background:var(--teal);transition:width 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#3b5366;border-radius:12px;padding:30px;max-width:660px;width:calc(100% - 32px);max-height:85vh}dialog::backdrop{background:#03090dd9;backdrop-filter:blur(5px)}.dialog-top{display:flex;align-items:center;justify-content:space-between}dialog h2{font-size:1.8rem;letter-spacing:-.04em;font-weight:550}dialog p,dialog li{font-size:.9375rem;line-height:1.65;color:#b1c2d0}dialog li{padding:5px}dialog b{color:var(--text)}dialog h3{font-size:1rem}svg text{font-family:Segoe UI,Arial,sans-serif}g[role=button]{cursor:grab}g[role=button]:active{cursor:grabbing}g[role=button]:focus{outline:none}g[role=button]:focus .node-box{stroke:var(--teal);stroke-width:3}.node-label{fill:#eef4f7;font-weight:600;font-size:19px;pointer-events:none}.node-sub{fill:#8ba4b7;font-size:13px;pointer-events:none}.node-code{fill:#7694a9;font-size:13px;letter-spacing:2px;pointer-events:none}.link-label{fill:#5d84a1;font-size:12px;letter-spacing:1px}.selected-halo{fill:none;stroke:#5ce2bc;stroke-width:1;stroke-dasharray:4 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@media(min-width:1500px){.workspace,.lower-grid{grid-template-columns:minmax(0,1fr) 380px}.diagram-wrap{min-height:440px}.attack-toggle{padding:16px 14px}}
@media(max-width:1100px){main{padding:25px 20px 0}.topbar{padding:0 20px}.workspace,.lower-grid{grid-template-columns:minmax(0,1fr) 310px}.transport{padding:12px;gap:8px}.transport button{padding:9px}.diagram-wrap{min-height:300px}.legend{gap:9px}.metrics>div{padding:18px}.pipeline{gap:7px;padding:14px}.pipeline span{padding:6px}.twin-footer{flex-wrap:wrap}.top-label{display:none}.topbar button{margin-left:auto}.twin-values{gap:25px}.twin-panel .panel-top{flex-wrap:wrap}}
@media(max-width:850px){.workspace,.lower-grid{grid-template-columns:1fr}.intro{align-items:flex-start}.simulation-tag{display:none}.attacks{display:grid;grid-template-columns:1fr 1fr;align-items:start}.attacks>.panel-top,.attacks>.panel-description,.attacks>.attack-status,.attacks>.remove-all{grid-column:1/-1}.attacks .panel-description{margin-bottom:5px}.attack-card{margin:8px 12px}.metrics strong{font-size:1.65rem}.metrics>div{padding:16px}.diagram-wrap{min-height:0}.lower-grid{gap:16px}.inspector{display:none}.lower-grid:has(.inspector.show-inspector) .inspector{display:block}.diagram-hint{font-size:.6rem}.network svg{min-height:280px}.metrics em{font-size:.68rem}footer{flex-wrap:wrap}.twin-panel .panel-top{flex-wrap:nowrap}}
@media(max-width:520px){main{padding:22px 12px 0}.topbar{padding:0 14px;height:64px}.brand{font-size:.75rem;gap:7px}.brand-icon{font-size:23px}.topbar button{font-size:.75rem;padding:7px}.topbar button span{display:none}.intro{margin-bottom:22px}.intro p{font-size:.85rem}.panel-top{padding:16px}.panel-title{font-size:.84rem;gap:8px}.network-toolbar{padding:12px;flex-wrap:wrap}.network-toolbar label{gap:6px;font-size:.73rem}.network-toolbar .small{padding:6px;font-size:.7rem}.network-toolbar select{font-size:.75rem}.diagram-hint{bottom:3px;left:12px;letter-spacing:.04em}.legend{font-size:.65rem;padding:13px 12px;gap:10px}.transport{flex-wrap:wrap}.transport-actions{gap:4px}.transport button{font-size:.75rem;padding:8px}.speed-label{font-size:.75rem}.speed-label select{font-size:.75rem;padding:5px}#clock{display:none}.attacks{display:block}.metrics{grid-template-columns:1fr 1fr;margin:16px 0}.metrics>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.metrics>div:nth-child(2){border-right:0}.metrics span{font-size:.75rem}.metrics strong{font-size:1.55rem}.metrics strong small{font-size:.7rem}.metrics em{font-size:.65rem}.twin-panel .panel-top{flex-wrap:wrap}.twin-values{padding:18px 16px;gap:22px;justify-content:space-between}.twin-values span{font-size:.7rem}.twin-values strong{font-size:1.3rem}.twin-values .dot{width:5px;height:5px;margin-right:1px}.pipeline{flex-wrap:wrap;gap:5px;font-size:.65rem}.pipeline span{min-width:70px}.pipeline b{display:none}.chart-caption{font-size:.65rem;padding-left:16px;padding-right:16px}#events{padding:5px 13px 10px}#events li{gap:9px;font-size:.75rem}.event-tag{min-width:42px;font-size:.6rem}.badge{font-size:.65rem}.event-panel .muted{font-size:.65rem}dialog{padding:20px}footer{font-size:.65rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(min-width:851px) and (max-width:1100px){.workspace,.lower-grid{grid-template-columns:1fr}.attacks{display:grid;grid-template-columns:1fr 1fr;align-items:start}.attacks>.panel-top,.attacks>.panel-description,.attacks>.attack-status,.attacks>.remove-all{grid-column:1/-1}.diagram-wrap{min-height:0}.attack-card{margin:8px 14px}.diagram-hint{font-size:.7rem}.inspector{display:block}.node-counters{gap:90px}}
@media(max-width:520px){.diagram-wrap{overflow-x:auto;display:block}.network #network-svg{min-width:650px;min-height:320px}.diagram-hint{display:none}}
/* OWIN6G physical and optical layers */
.physical{margin-bottom:22px}.physical-toolbar,.optical-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:14px 20px;color:#9db2c4;font-size:.875rem}.physical-toolbar>span{max-width:900px;line-height:1.6}.physical-toolbar button,.optical-bar button{white-space:nowrap;border-color:#6c633d;color:#ffdf85}.physical-toolbar button[aria-pressed=true],.optical-bar button[aria-pressed=true]{background:#512e25;border-color:#c07a62;color:#ffbcaa}.physical-scroll,.diagram-wrap{overflow-x:auto}.physical-scroll svg{width:100%;min-width:1050px;display:block}#network-svg{min-width:1080px;max-height:none}.diagram-wrap{display:block;min-height:0}.optical-bar{border-bottom:1px solid #23313e}.optical-bar b{font-weight:500;margin-left:12px;color:#ffe073}.region-label{font-size:14px;letter-spacing:2px;fill:#91adbe}.optical-label{font-size:16px;fill:#ffe073;letter-spacing:1.2px}.fibre-label{font-size:15px;fill:#57c5e4;letter-spacing:.5px}.sensor-readouts{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid #23313e;padding:17px 20px;gap:18px}.sensor-readouts span{display:block;font-size:.75rem;letter-spacing:.08em;color:#8faabd}.sensor-readouts strong{display:block;margin-top:7px;font-size:1.25rem;font-weight:500;font-variant-numeric:tabular-nums}.layer-note{padding:0 20px 18px;color:#879fb2;font-size:.8rem;line-height:1.6}.fibre{background:#40b8da}.management{background:#647183}.gold-dot{background:#ffe073}.workspace{grid-template-columns:minmax(0,1fr)}.attacks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:start}.attacks>.panel-top,.attacks>.panel-description,.attacks>.attack-status,.attacks>.remove-all{grid-column:1/-1}.attack-card{margin:10px}.attack-toggle{min-height:84px}.attack-toggle strong{font-size:.875rem}.attack-toggle small{font-size:.78rem;line-height:1.4}.attack-settings label,.small-note{font-size:.8rem}.metrics>div{padding:20px}.metrics em{font-size:.8rem;line-height:1.5}.metrics span{font-size:.875rem}.inspector{display:block}.node-sub{font-size:15px}.node-label{font-size:19px}.node-title{font-size:15px}.diagram-hint{bottom:10px}.intro{margin-bottom:24px}footer{font-size:.8rem}.event-tag{min-width:82px}.twin-footer{font-size:.8rem;line-height:1.6}.network-toolbar label{font-size:.875rem}.panel-description{font-size:.875rem}.model-note{line-height:1.7}
@media(max-width:1150px){.attacks{grid-template-columns:1fr 1fr}.physical-toolbar{flex-wrap:wrap}.lower-grid{grid-template-columns:1fr}.sensor-readouts{grid-template-columns:repeat(3,1fr)}.metrics>div{padding:16px}.network-toolbar{flex-wrap:wrap}}
@media(max-width:650px){.attacks{display:block}.physical-toolbar,.optical-bar{padding:14px;flex-wrap:wrap;font-size:.8rem}.sensor-readouts{grid-template-columns:repeat(2,1fr)}.metrics{grid-template-columns:1fr 1fr}.metrics>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.network-toolbar select{max-width:270px}.diagram-hint{display:none}.layer-note{font-size:.8rem}.sensor-readouts strong{font-size:1.2rem}.brand{font-size:.75rem}.physical .panel-top{flex-wrap:wrap}.inspector{display:block}.event-tag{min-width:55px;font-size:.65rem}.pipeline span{font-size:.8rem}}
.network #network-svg{min-width:1080px}